Fog in parts of Delhi, minimum temperature settles at 7.1 degrees

Delhiites awoke to another cold and foggy morning, with the minimum temperature in the national capital on Thursday recorded at 7.1 degrees Celsius, according to the weather department.

The Indian Meteorological Department (IMD) issued a “yellow” alert for “dense fog” in isolated parts of the city and adjoining areas such as Haryana and Chandigarh.

The maximum temperature is anticipated to hover around 15 degrees Celsius.

A railways spokesperson mentioned that fog affected the schedules of “24 trains approaching Delhi” due to low visibility.

The Palam Observatory, near the Indira Gandhi International Airport, reported a visibility level of 100 meters at 5:30 am, improving to 500 meters by 7 am due to surface winds.

According to the weather office, “very dense” fog occurs when visibility is between 0 and 50 meters, while between 51 and 200 meters is considered “dense,” 201 to 500 meters is “moderate,” and 501 to 1,000 meters is classified as “shallow.”

As per data from the Central Pollution Control Board (CPCB), the overall Air Quality Index (AQI) at 9 am stood at 337.

An AQI between zero and 50 is considered “good,” 51 and 100 “satisfactory,” 101 and 200 “moderate,” 201 and 300 “poor,” 301 and 400 “very poor,” and 401 and 500 “severe.”

The relative humidity at 8:30 am was 96 per cent, according to the IMD bulletin. (With inputs from PTI)